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redo-ifchange config.sh . ./config.sh exec >$3 cat <<-EOF redo-ifchange \$SRCDIR/\$2.c $CC $CFLAGS -MD -MF \$3.deps -o \$3 -c \$SRCDIR/\$2.c read DEPS <\$3.deps rm -f \$3.deps redo-ifchange \${DEPS#*:} EOF chmod +x $3